31250002 has 16 divisors (see below), whose sum is σ = 53790912. Its totient is φ = 13338000.

The previous prime is 31249997. The next prime is 31250017. The reversal of 31250002 is 20005213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 7960.

It is an arithmetic number, because the mean of its divisors is an integer number (3361932).

Almost surely, 2^31250002 is an apocalyptic number.

31250002 is a deficient number, since it is larger than the sum of its proper divisors (22540910).

31250002 is a wasteful number, since it uses less digits than its factorization.

31250002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 31250002 is about 5590.1701226349. The cubic root of 31250002 is about 314.9802691933.

Adding to 31250002 its reverse (20005213), we get a palindrome (51255215).

It can be divided in two parts, 3125000 and 2, that multiplied together give a 4-th power (6250000 = 50⁴).

The spelling of 31250002 in words is "thirty-one million, two hundred fifty thousand, two".