10131121302 has 32 divisors (see below), whose sum is σ = 20318660352. Its totient is φ = 3367653024.

The previous prime is 10131121223. The next prime is 10131121327. The reversal of 10131121302 is 20312113101.

It is a happy number.

It is a congruent number.

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, 5668453 + ... + 5670239.

It is an arithmetic number, because the mean of its divisors is an integer number (634958136).

Almost surely, 2^10131121302 is an apocalyptic number.

10131121302 is an abundant number, since it is smaller than the sum of its proper divisors (10187539050).

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

10131121302 is a wasteful number, since it uses less digits than its factorization.

10131121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10131121302 its reverse (20312113101), we get a palindrome (30443234403).

The spelling of 10131121302 in words is "ten billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred two".