231431330101402 has 8 divisors (see below), whose sum is σ = 350219092454676. Its totient is φ = 114691632616512.

The previous prime is 231431330101333. The next prime is 231431330101423. The reversal of 231431330101402 is 204101033134132.

231431330101402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 190976120386921 + 40455209714481 = 13819411^2 + 6360441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512016216813 + ... + 512016217264.

Almost surely, 2^{231431330101402} is an apocalyptic number.

231431330101402 is a deficient number, since it is larger than the sum of its proper divisors (118787762353274).

231431330101402 is a wasteful number, since it uses less digits than its factorization.

231431330101402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024032434192.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231431330101402 its reverse (204101033134132), we get a palindrome (435532363235534).

The spelling of 231431330101402 in words is "two hundred thirty-one trillion, four hundred thirty-one billion, three hundred thirty million, one hundred one thousand, four hundred two".