131011131211402 has 128 divisors (see below), whose sum is σ = 217969729044480. Its totient is φ = 58688425635840.

The previous prime is 131011131211351. The next prime is 131011131211469. The reversal of 131011131211402 is 204112131110131.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69947212738 + ... + 69947214610.

It is an arithmetic number, because the mean of its divisors is an integer number (1702888508160).

Almost surely, 2^{131011131211402} is an apocalyptic number.

131011131211402 is a deficient number, since it is larger than the sum of its proper divisors (86958597833078).

131011131211402 is a wasteful number, since it uses less digits than its factorization.

131011131211402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 131011131211402 its reverse (204112131110131), we get a palindrome (335123262321533).

The spelling of 131011131211402 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirty-one million, two hundred eleven thousand, four hundred two".