3155140131402 has 32 divisors (see below), whose sum is σ = 7283152335744. Its totient is φ = 892543176000.

The previous prime is 3155140131343. The next prime is 3155140131463. The reversal of 3155140131402 is 2041310415513.

3155140131402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3155140131402.

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, 371888749 + ... + 371897232.

It is an arithmetic number, because the mean of its divisors is an integer number (227598510492).

Almost surely, 2^{3155140131402} is an apocalyptic number.

3155140131402 is an abundant number, since it is smaller than the sum of its proper divisors (4128012204342).

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

3155140131402 is a wasteful number, since it uses less digits than its factorization.

3155140131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743786094.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 3155140131402 its reverse (2041310415513), we get a palindrome (5196450546915).

The spelling of 3155140131402 in words is "three trillion, one hundred fifty-five billion, one hundred forty million, one hundred thirty-one thousand, four hundred two".