10131400402 has 4 divisors (see below), whose sum is σ = 15197100606. Its totient is φ = 5065700200.

The previous prime is 10131400397. The next prime is 10131400423. The reversal of 10131400402 is 20400413101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10094421841 + 36978561 = 100471^2 + 6081^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532850099 + ... + 2532850102.

Almost surely, 2^10131400402 is an apocalyptic number.

10131400402 is a deficient number, since it is larger than the sum of its proper divisors (5065700204).

10131400402 is an equidigital number, since it uses as much as digits as its factorization.

10131400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065700203.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10131400402 its reverse (20400413101), we get a palindrome (30531813503).

The spelling of 10131400402 in words is "ten billion, one hundred thirty-one million, four hundred thousand, four hundred two".