31201142110 has 16 divisors (see below), whose sum is σ = 56164607136. Its totient is φ = 12479889888.

The previous prime is 31201142081. The next prime is 31201142129. The reversal of 31201142110 is 1124110213.

It is a super-2 number, since 2×31201142110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215287 + ... + 329773.

It is an arithmetic number, because the mean of its divisors is an integer number (3510287946).

Almost surely, 2^31201142110 is an apocalyptic number.

31201142110 is a deficient number, since it is larger than the sum of its proper divisors (24963465026).

31201142110 is a wasteful number, since it uses less digits than its factorization.

31201142110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141747.

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

Adding to 31201142110 its reverse (1124110213), we get a palindrome (32325252323).

The spelling of 31201142110 in words is "thirty-one billion, two hundred one million, one hundred forty-two thousand, one hundred ten".