31231303101130 has 32 divisors (see below), whose sum is σ = 61703161276608. Its totient is φ = 11287163635200.

The previous prime is 31231303101077. The next prime is 31231303101223. The reversal of 31231303101130 is 3110130313213.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 870905191 + ... + 870941050.

It is an arithmetic number, because the mean of its divisors is an integer number (1928223789894).

Almost surely, 2^{31231303101130} is an apocalyptic number.

31231303101130 is a deficient number, since it is larger than the sum of its proper divisors (30471858175478).

31231303101130 is a wasteful number, since it uses less digits than its factorization.

31231303101130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741846422.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31231303101130 its reverse (3110130313213), we get a palindrome (34341433414343).

The spelling of 31231303101130 in words is "thirty-one trillion, two hundred thirty-one billion, three hundred three million, one hundred one thousand, one hundred thirty".