231220302302010 has 32 divisors (see below), whose sum is σ = 634204257743232. Its totient is φ = 52850354811840.

The previous prime is 231220302301999. The next prime is 231220302302023. The reversal of 231220302302010 is 10203203022132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550524529081 + ... + 550524529500.

It is an arithmetic number, because the mean of its divisors is an integer number (19818883054476).

Almost surely, 2^{231220302302010} is an apocalyptic number.

231220302302010 is an abundant number, since it is smaller than the sum of its proper divisors (402983955441222).

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

231220302302010 is a wasteful number, since it uses less digits than its factorization.

231220302302010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101049058598.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231220302302010 its reverse (10203203022132), we get a palindrome (241423505324142).

The spelling of 231220302302010 in words is "two hundred thirty-one trillion, two hundred twenty billion, three hundred two million, three hundred two thousand, ten".