31032460830 has 64 divisors (see below), whose sum is σ = 85215168000. Its totient is φ = 7085003904.

The previous prime is 31032460829. The next prime is 31032460859. The reversal of 31032460830 is 3806423013.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99921 + ... + 268419.

It is an arithmetic number, because the mean of its divisors is an integer number (1331487000).

Almost surely, 2^31032460830 is an apocalyptic number.

31032460830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31032460830 is an abundant number, since it is smaller than the sum of its proper divisors (54182707170).

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

31032460830 is a wasteful number, since it uses less digits than its factorization.

31032460830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169393.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 31032460830 its reverse (3806423013), we get a palindrome (34838883843).

The spelling of 31032460830 in words is "thirty-one billion, thirty-two million, four hundred sixty thousand, eight hundred thirty".