102431004 has 24 divisors (see below), whose sum is σ = 257391120. Its totient is φ = 31517184.

The previous prime is 102430949. The next prime is 102431009. The reversal of 102431004 is 400134201.

It is a super-2 number, since 2×102431004² = 20984221160896032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102431009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328149 + ... + 328460.

It is an arithmetic number, because the mean of its divisors is an integer number (10724630).

Almost surely, 2^102431004 is an apocalyptic number.

It is an amenable number.

102431004 is an abundant number, since it is smaller than the sum of its proper divisors (154960116).

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

102431004 is a wasteful number, since it uses less digits than its factorization.

102431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656629 (or 656627 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102431004 is about 10120.8203224837. The cubic root of 102431004 is about 467.8900501443.

Adding to 102431004 its reverse (400134201), we get a palindrome (502565205).

The spelling of 102431004 in words is "one hundred two million, four hundred thirty-one thousand, four".