31412020314040 has 64 divisors (see below), whose sum is σ = 70751841197760. Its totient is φ = 12551518003200.

The previous prime is 31412020314013. The next prime is 31412020314043. The reversal of 31412020314040 is 4041302021413.

It is a super-2 number, since 2×31412020314040² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31412020313996 and 31412020314014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412020314043) 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, 149300197 + ... + 149510443.

It is an arithmetic number, because the mean of its divisors is an integer number (1105497518715).

Almost surely, 2^{31412020314040} is an apocalyptic number.

It is an amenable number.

31412020314040 is an abundant number, since it is smaller than the sum of its proper divisors (39339820883720).

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

31412020314040 is a wasteful number, since it uses less digits than its factorization.

31412020314040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214192 (or 214188 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31412020314040 its reverse (4041302021413), we get a palindrome (35453322335453).

The spelling of 31412020314040 in words is "thirty-one trillion, four hundred twelve billion, twenty million, three hundred fourteen thousand, forty".