31442134300 has 36 divisors (see below), whose sum is σ = 69093112480. Its totient is φ = 12417649920.

The previous prime is 31442134289. The next prime is 31442134303. The reversal of 31442134300 is 343124413.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442134303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1982109 + ... + 1997908.

Almost surely, 2^31442134300 is an apocalyptic number.

It is an amenable number.

31442134300 is an abundant number, since it is smaller than the sum of its proper divisors (37650978180).

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

31442134300 is a wasteful number, since it uses less digits than its factorization.

31442134300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980110 (or 3980103 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31442134300 its reverse (343124413), we get a palindrome (31785258713).

It can be divided in two parts, 3144 and 2134300, that added together give a square (2137444 = 1462²).

The spelling of 31442134300 in words is "thirty-one billion, four hundred forty-two million, one hundred thirty-four thousand, three hundred".