31342020134 has 16 divisors (see below), whose sum is σ = 47206968480. Its totient is φ = 15606411840.

The previous prime is 31342020107. The next prime is 31342020137. The reversal of 31342020134 is 43102024313.

It is a super-2 number, since 2×31342020134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342020137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491122 + ... + 1511994.

It is an arithmetic number, because the mean of its divisors is an integer number (2950435530).

Almost surely, 2^31342020134 is an apocalyptic number.

31342020134 is a deficient number, since it is larger than the sum of its proper divisors (15864948346).

31342020134 is a wasteful number, since it uses less digits than its factorization.

31342020134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23935.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31342020134 its reverse (43102024313), we get a palindrome (74444044447).

The spelling of 31342020134 in words is "thirty-one billion, three hundred forty-two million, twenty thousand, one hundred thirty-four".