10031133402 has 12 divisors (see below), whose sum is σ = 21734122410. Its totient is φ = 3343711128.

The previous prime is 10031133401. The next prime is 10031133461. The reversal of 10031133402 is 20433113001.

10031133402 is a `hidden beast` number, since 10 + 0 + 311 + 3 + 340 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8055242001 + 1975891401 = 89751^2 + 44451^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 557285189 = 10031133402 / (1 + 0 + 0 + 3 + 1 + 1 + 3 + 3 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (10031133401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278642577 + ... + 278642612.

Almost surely, 2^10031133402 is an apocalyptic number.

10031133402 is an abundant number, since it is smaller than the sum of its proper divisors (11702989008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10031133402 is a wasteful number, since it uses less digits than its factorization.

10031133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557285197 (or 557285194 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10031133402 its reverse (20433113001), we get a palindrome (30464246403).

The spelling of 10031133402 in words is "ten billion, thirty-one million, one hundred thirty-three thousand, four hundred two".