31242111010 has 32 divisors (see below), whose sum is σ = 61404003072. Its totient is φ = 11350423680.

The previous prime is 31242110983. The next prime is 31242111073. The reversal of 31242111010 is 1011124213.

It is a super-2 number, since 2×31242111010² (a number of 22 digits) contains 22 as substring.

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, 7419 + ... + 250078.

It is an arithmetic number, because the mean of its divisors is an integer number (1918875096).

Almost surely, 2^31242111010 is an apocalyptic number.

31242111010 is a deficient number, since it is larger than the sum of its proper divisors (30161892062).

31242111010 is a wasteful number, since it uses less digits than its factorization.

31242111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258618.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31242111010 its reverse (1011124213), we get a palindrome (32253235223).

The spelling of 31242111010 in words is "thirty-one billion, two hundred forty-two million, one hundred eleven thousand, ten".