31400002010 has 32 divisors (see below), whose sum is σ = 62966589840. Its totient is φ = 11194057728.

The previous prime is 31400002001. The next prime is 31400002027. The reversal of 31400002010 is 1020000413.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15599260609 + 15800741401 = 124897^2 + 125701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31400001982 and 31400002000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4160687 + ... + 4168226.

Almost surely, 2^31400002010 is an apocalyptic number.

31400002010 is an abundant number, since it is smaller than the sum of its proper divisors (31566587830).

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

31400002010 is a wasteful number, since it uses less digits than its factorization.

31400002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328962.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 31400002010 its reverse (1020000413), we get a palindrome (32420002423).

The spelling of 31400002010 in words is "thirty-one billion, four hundred million, two thousand, ten".