31394196030 has 64 divisors (see below), whose sum is σ = 76898730240. Its totient is φ = 8200667904.

The previous prime is 31394196019. The next prime is 31394196079. The reversal of 31394196030 is 3069149313.

It is a super-3 number, since 3×31394196030³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31394196030.

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, 316162 + ... + 403418.

It is an arithmetic number, because the mean of its divisors is an integer number (1201542660).

Almost surely, 2^31394196030 is an apocalyptic number.

31394196030 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 31394196030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38449365120).

31394196030 is an abundant number, since it is smaller than the sum of its proper divisors (45504534210).

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

31394196030 is a wasteful number, since it uses less digits than its factorization.

31394196030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87513.

The product of its (nonzero) digits is 52488, while the sum is 39.

The spelling of 31394196030 in words is "thirty-one billion, three hundred ninety-four million, one hundred ninety-six thousand, thirty".