31402914 has 16 divisors (see below), whose sum is σ = 63011520. Its totient is φ = 10433360.

The previous prime is 31402913. The next prime is 31402933. The reversal of 31402914 is 41920413.

It is a super-2 number, since 2×31402914² = 1972286015382792, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31402913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6549 + ... + 10280.

It is an arithmetic number, because the mean of its divisors is an integer number (3938220).

Almost surely, 2^31402914 is an apocalyptic number.

31402914 is an abundant number, since it is smaller than the sum of its proper divisors (31608606).

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

31402914 is a wasteful number, since it uses less digits than its factorization.

31402914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 31402914 is about 5603.8302972164. The cubic root of 31402914 is about 315.4931856077.

The spelling of 31402914 in words is "thirty-one million, four hundred two thousand, nine hundred fourteen".