31429016 has 16 divisors (see below), whose sum is σ = 59055000. Its totient is φ = 15681024.

The previous prime is 31428997. The next prime is 31429019. The reversal of 31429016 is 61092413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31429019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 7928.

Almost surely, 2^31429016 is an apocalyptic number.

It is an amenable number.

31429016 is a deficient number, since it is larger than the sum of its proper divisors (27625984).

31429016 is a wasteful number, since it uses less digits than its factorization.

31429016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378 (or 8374 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 31429016 is about 5606.1587562252. The cubic root of 31429016 is about 315.5805737032.

The spelling of 31429016 in words is "thirty-one million, four hundred twenty-nine thousand, sixteen".