45315931000 has 128 divisors (see below), whose sum is σ = 118187035200. Its totient is φ = 16162099200.

The previous prime is 45315930997. The next prime is 45315931013. The reversal of 45315931000 is 13951354.

It is a happy number.

It is a super-2 number, since 2×45315931000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252852 + ... + 393148.

Almost surely, 2^45315931000 is an apocalyptic number.

45315931000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45315931000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59093517600).

45315931000 is an abundant number, since it is smaller than the sum of its proper divisors (72871104200).

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

45315931000 is a wasteful number, since it uses less digits than its factorization.

45315931000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140354 (or 140340 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 45315931000 in words is "forty-five billion, three hundred fifteen million, nine hundred thirty-one thousand".