4312131145402 has 32 divisors (see below), whose sum is σ = 6567615633600. Its totient is φ = 2123099890560.

The previous prime is 4312131145373. The next prime is 4312131145411. The reversal of 4312131145402 is 2045411312134.

It is a happy 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, 280931224 + ... + 280946572.

It is an arithmetic number, because the mean of its divisors is an integer number (205237988550).

Almost surely, 2^{4312131145402} is an apocalyptic number.

4312131145402 is a deficient number, since it is larger than the sum of its proper divisors (2255484488198).

4312131145402 is a wasteful number, since it uses less digits than its factorization.

4312131145402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20878.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 4312131145402 its reverse (2045411312134), we get a palindrome (6357542457536).

The spelling of 4312131145402 in words is "four trillion, three hundred twelve billion, one hundred thirty-one million, one hundred forty-five thousand, four hundred two".