31930365150 has 72 divisors (see below), whose sum is σ = 85916830584. Its totient is φ = 8501803200.

The previous prime is 31930365121. The next prime is 31930365157. The reversal of 31930365150 is 5156303913.

It is a super-2 number, since 2×31930365150² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31930365157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 243777 + ... + 351123.

Almost surely, 2^31930365150 is an apocalyptic number.

31930365150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31930365150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42958415292).

31930365150 is an abundant number, since it is smaller than the sum of its proper divisors (53986465434).

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

31930365150 is a wasteful number, since it uses less digits than its factorization.

31930365150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108026 (or 108018 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The spelling of 31930365150 in words is "thirty-one billion, nine hundred thirty million, three hundred sixty-five thousand, one hundred fifty".