31142462 has 32 divisors (see below), whose sum is σ = 52678080. Its totient is φ = 13708800.

The previous prime is 31142459. The next prime is 31142467. The reversal of 31142462 is 26424113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77462 + ... + 77862.

It is an arithmetic number, because the mean of its divisors is an integer number (1646190).

Almost surely, 2^31142462 is an apocalyptic number.

31142462 is a deficient number, since it is larger than the sum of its proper divisors (21535618).

31142462 is a wasteful number, since it uses less digits than its factorization.

31142462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 1152, while the sum is 23.

The square root of 31142462 is about 5580.5431635281. The cubic root of 31142462 is about 314.6185421970.

Adding to 31142462 its reverse (26424113), we get a palindrome (57566575).

The spelling of 31142462 in words is "thirty-one million, one hundred forty-two thousand, four hundred sixty-two".