31003230000 has 100 divisors (see below), whose sum is σ = 100082657048. Its totient is φ = 8267520000.

The previous prime is 31003229963. The next prime is 31003230017. The reversal of 31003230000 is 3230013.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×31003230000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 486721 + ... + 546720.

Almost surely, 2^31003230000 is an apocalyptic number.

31003230000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31003230000 is an abundant number, since it is smaller than the sum of its proper divisors (69079427048).

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

31003230000 is a wasteful number, since it uses less digits than its factorization.

31003230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033472 (or 1033451 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 31003230000 its reverse (3230013), we get a palindrome (31006460013).

It can be divided in two parts, 31003 and 230000, that added together give a triangular number (261003 = T₇₂₂).

The spelling of 31003230000 in words is "thirty-one billion, three million, two hundred thirty thousand".