31241340002 has 4 divisors (see below), whose sum is σ = 46862010006. Its totient is φ = 15620670000.

The previous prime is 31241339999. The next prime is 31241340037. The reversal of 31241340002 is 20004314213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24844379641 + 6396960361 = 157621^2 + 79981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7810334999 + ... + 7810335002.

Almost surely, 2^31241340002 is an apocalyptic number.

31241340002 is a deficient number, since it is larger than the sum of its proper divisors (15620670004).

31241340002 is a wasteful number, since it uses less digits than its factorization.

31241340002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620670003.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31241340002 its reverse (20004314213), we get a palindrome (51245654215).

The spelling of 31241340002 in words is "thirty-one billion, two hundred forty-one million, three hundred forty thousand, two".