31143030141 has 16 divisors (see below), whose sum is σ = 42563239488. Its totient is φ = 20243049600.

The previous prime is 31143030119. The next prime is 31143030151. The reversal of 31143030141 is 14103034113.

It is not a de Polignac number, because 31143030141 - 2⁷ = 31143030013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143030151) 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, 122311 + ... + 277931.

It is an arithmetic number, because the mean of its divisors is an integer number (2660202468).

Almost surely, 2^31143030141 is an apocalyptic number.

It is an amenable number.

31143030141 is a deficient number, since it is larger than the sum of its proper divisors (11420209347).

31143030141 is a wasteful number, since it uses less digits than its factorization.

31143030141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157292.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31143030141 its reverse (14103034113), we get a palindrome (45246064254).

The spelling of 31143030141 in words is "thirty-one billion, one hundred forty-three million, thirty thousand, one hundred forty-one".