131403311210402 has 64 divisors (see below), whose sum is σ = 252117926092800. Its totient is φ = 49882980698880.

The previous prime is 131403311210401. The next prime is 131403311210473. The reversal of 131403311210402 is 204012113304131.

It is not an unprimeable number, because it can be changed into a prime (131403311210401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62965202 + ... + 65018637.

It is an arithmetic number, because the mean of its divisors is an integer number (3939342595200).

Almost surely, 2^{131403311210402} is an apocalyptic number.

131403311210402 is a deficient number, since it is larger than the sum of its proper divisors (120714614882398).

131403311210402 is a wasteful number, since it uses less digits than its factorization.

131403311210402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127984031.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131403311210402 its reverse (204012113304131), we get a palindrome (335415424514533).

The spelling of 131403311210402 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred ten thousand, four hundred two".