31464666402 has 96 divisors (see below), whose sum is σ = 71315468928. Its totient is φ = 9233123328.

The previous prime is 31464666397. The next prime is 31464666407. The reversal of 31464666402 is 20466646413.

It is an interprime number because it is at equal distance from previous prime (31464666397) and next prime (31464666407).

It is not an unprimeable number, because it can be changed into a prime (31464666407) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8697298 + ... + 8700914.

It is an arithmetic number, because the mean of its divisors is an integer number (742869468).

Almost surely, 2^31464666402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31464666402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35657734464).

31464666402 is an abundant number, since it is smaller than the sum of its proper divisors (39850802526).

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

31464666402 is a wasteful number, since it uses less digits than its factorization.

31464666402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 31464666402 in words is "thirty-one billion, four hundred sixty-four million, six hundred sixty-six thousand, four hundred two".