2031111133402 has 32 divisors (see below), whose sum is σ = 3327718584960. Its totient is φ = 924098898240.

The previous prime is 2031111133361. The next prime is 2031111133489. The reversal of 2031111133402 is 2043311111302.

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, 13294624 + ... + 13446532.

It is an arithmetic number, because the mean of its divisors is an integer number (103991205780).

Almost surely, 2^{2031111133402} is an apocalyptic number.

2031111133402 is a deficient number, since it is larger than the sum of its proper divisors (1296607451558).

2031111133402 is a wasteful number, since it uses less digits than its factorization.

2031111133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159238.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2031111133402 its reverse (2043311111302), we get a palindrome (4074422244704).

The spelling of 2031111133402 in words is "two trillion, thirty-one billion, one hundred eleven million, one hundred thirty-three thousand, four hundred two".