101231513404 has 48 divisors (see below), whose sum is σ = 213811250688. Its totient is φ = 40998627648.

The previous prime is 101231513401. The next prime is 101231513441. The reversal of 101231513404 is 404315132101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231513401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893487 + ... + 1000390.

It is an arithmetic number, because the mean of its divisors is an integer number (4454401056).

Almost surely, 2^101231513404 is an apocalyptic number.

101231513404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101231513404 is an abundant number, since it is smaller than the sum of its proper divisors (112579737284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101231513404 is a wasteful number, since it uses less digits than its factorization.

101231513404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893994 (or 1893992 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 101231513404 its reverse (404315132101), we get a palindrome (505546645505).

The spelling of 101231513404 in words is "one hundred one billion, two hundred thirty-one million, five hundred thirteen thousand, four hundred four".