31101042 has 32 divisors (see below), whose sum is σ = 72825984. Its totient is φ = 8668800.

The previous prime is 31101023. The next prime is 31101061. The reversal of 31101042 is 24010113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31101023) and next prime (31101061).

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, 7309 + ... + 10752.

It is an arithmetic number, because the mean of its divisors is an integer number (2275812).

Almost surely, 2^31101042 is an apocalyptic number.

31101042 is an abundant number, since it is smaller than the sum of its proper divisors (41724942).

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

31101042 is a wasteful number, since it uses less digits than its factorization.

31101042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18114.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 31101042 is about 5576.8308204571. The cubic root of 31101042 is about 314.4789976564.

Adding to 31101042 its reverse (24010113), we get a palindrome (55111155).

The spelling of 31101042 in words is "thirty-one million, one hundred one thousand, forty-two".