5131551402 has 24 divisors (see below), whose sum is σ = 11121533280. Its totient is φ = 1710029160.

The previous prime is 5131551391. The next prime is 5131551419. The reversal of 5131551402 is 2041551315.

5131551402 is a `hidden beast` number, since 513 + 1 + 5 + 5 + 140 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27249 + ... + 104907.

It is an arithmetic number, because the mean of its divisors is an integer number (463397220).

Almost surely, 2^5131551402 is an apocalyptic number.

5131551402 is an abundant number, since it is smaller than the sum of its proper divisors (5989981878).

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

5131551402 is a wasteful number, since it uses less digits than its factorization.

5131551402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81338 (or 81335 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5131551402 is about 71634.8476790451. The cubic root of 5131551402 is about 1724.8429628941.

The spelling of 5131551402 in words is "five billion, one hundred thirty-one million, five hundred fifty-one thousand, four hundred two".