10102431402 has 32 divisors (see below), whose sum is σ = 25656969600. Its totient is φ = 2886408864.

The previous prime is 10102431377. The next prime is 10102431431. The reversal of 10102431402 is 20413420101.

10102431402 is a `hidden beast` number, since 10 + 10 + 243 + 1 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13362627 + ... + 13363382.

It is an arithmetic number, because the mean of its divisors is an integer number (801780300).

Almost surely, 2^10102431402 is an apocalyptic number.

10102431402 is an abundant number, since it is smaller than the sum of its proper divisors (15554538198).

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

10102431402 is a wasteful number, since it uses less digits than its factorization.

10102431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26726027 (or 26726021 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10102431402 its reverse (20413420101), we get a palindrome (30515851503).

The spelling of 10102431402 in words is "ten billion, one hundred two million, four hundred thirty-one thousand, four hundred two".