31413002 has 4 divisors (see below), whose sum is σ = 47119506. Its totient is φ = 15706500.

The previous prime is 31412981. The next prime is 31413077. The reversal of 31413002 is 20031413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20031413 = 23 ⋅870931.

It can be written as a sum of positive squares in only one way, i.e., 18156121 + 13256881 = 4261^2 + 3641^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7853249 + ... + 7853252.

Almost surely, 2^31413002 is an apocalyptic number.

31413002 is a deficient number, since it is larger than the sum of its proper divisors (15706504).

31413002 is a wasteful number, since it uses less digits than its factorization.

31413002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15706503.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 31413002 is about 5604.7303235749. The cubic root of 31413002 is about 315.5269654294.

Adding to 31413002 its reverse (20031413), we get a palindrome (51444415).

The spelling of 31413002 in words is "thirty-one million, four hundred thirteen thousand, two".