42311031421252 has 48 divisors (see below), whose sum is σ = 81185652172800. Its totient is φ = 19134666698400.

The previous prime is 42311031421249. The next prime is 42311031421291. The reversal of 42311031421252 is 25212413011324.

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, 188027727 + ... + 188252617.

It is an arithmetic number, because the mean of its divisors is an integer number (1691367753600).

Almost surely, 2^{42311031421252} is an apocalyptic number.

It is an amenable number.

42311031421252 is a deficient number, since it is larger than the sum of its proper divisors (38874620751548).

42311031421252 is a wasteful number, since it uses less digits than its factorization.

42311031421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246592 (or 246590 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 42311031421252 its reverse (25212413011324), we get a palindrome (67523444432576).

The spelling of 42311031421252 in words is "forty-two trillion, three hundred eleven billion, thirty-one million, four hundred twenty-one thousand, two hundred fifty-two".